-osis

Medical Suffix
-osis

-osis means abnormal condition (from the Greek).

What does -osis mean?

The suffix -osis means "abnormal condition". It is used to build many medical terms, and comes from the Greek.

Example words using -osis

WordMeaning
nephrosiskidney condition
psychosismental condition

Related word parts

-iasis · -pathy

← Browse all word parts

Study reference only — not medical advice. Always consult qualified sources for clinical decisions.